Identifies the urinary system and its

major partsScience V

What is the effect of cigarette smoking to the

lungs?

Review

Have you ever wondered why even if we drink clear water we urinate with yellowish liquid?

Motivation

Watch the video clip Urinary Sytem by KidsHealthVideos

Presentation

Kidney

the two bean-shaped organs that filter waste from the blood and produce urine.

Each kidney is divided into three regions.

Urinary Bladder

A sac that temporarily holds

the urine

Urether

The two thin tubes that take urine from

the kidney to the bladder

Urethra

The tube that carries urine from the bladder out of

the body

Sphincter muscles

controls the opening and closing of the urethral opening

Liquid wastes such as urine are eliminated through the urinary

system.

Concept Formation

a. Draw the urinary system and label the parts

b. Draw the kidney and label the parts

Application

Examine the drawing. Each part is labeled with a letter. Write the parts corresponding to each letter.

Evaluation

Answer the following question:

1.How can you take good care of our urinary system?

2.What foods are good to the urinary system?

3.Why are salty foods not good to eat?

Assignment